665 lines
25 KiB
Python
665 lines
25 KiB
Python
#
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# Gramps - a GTK+/GNOME based genealogy program
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#
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# Copyright (C) 2000-2006 Donald N. Allingham
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# Copyright (C) 2007-2009 Brian G. Matherly
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# Copyright (C) 2008 Raphael Ackermann
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# 2002-2003 Donald A. Peterson
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# 2003 Alex Roitman
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# 2009 Benny Malengier
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# 2010 Peter Landgren
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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#
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# $Id:LaTeXDoc.py 9912 2008-01-22 09:17:46Z acraphae $
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"""LaTeX document generator"""
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#------------------------------------------------------------------------
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#
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# python modules
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#
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#------------------------------------------------------------------------
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from gettext import gettext as _
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#------------------------------------------------------------------------
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#
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# gramps modules
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#
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#------------------------------------------------------------------------
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from gui.utils import open_file_with_default_application
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from gen.plug.docgen import BaseDoc, TextDoc, PAPER_LANDSCAPE, FONT_SANS_SERIF
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from gen.plug.docbackend import DocBackend
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import ImgManip
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import Errors
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import Utils
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#------------------------------------------------------------------------
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#
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# Functions for docbackend
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#
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#------------------------------------------------------------------------
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def latexescape(text):
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"""
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change text in text that latex shows correctly
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special characters: \& \$ \% \# \_ \{ \}
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"""
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text = text.replace('&','\\&')
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text = text.replace('$','\\$')
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text = text.replace('%','\\%')
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text = text.replace('#','\\#')
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text = text.replace('_','\\_')
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text = text.replace('{','\\{')
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text = text.replace('}','\\}')
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return text
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def latexescapeverbatim(text):
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"""
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change text in text that latex shows correctly respecting whitespace
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special characters: \& \$ \% \# \_ \{ \}
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Now also make sure space and newline is respected
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"""
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text = text.replace('&', '\\&')
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text = text.replace('$', '\\$')
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text = text.replace('%', '\\%')
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text = text.replace('#', '\\#')
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text = text.replace('_', '\\_')
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text = text.replace('{', '\\{')
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text = text.replace('}', '\\}')
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text = text.replace(' ', '\\ ')
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text = text.replace('\n', '\\newline\n')
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#spaces at begin are normally ignored, make sure they are not.
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#due to above a space at begin is now \newline\n\
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text = text.replace('\\newline\n\\ ', '\\newline\n\\hspace*{0.1cm}\\ ')
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return text
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#------------------------------------------------------------------------
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#
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# Document Backend class for cairo docs
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#
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#------------------------------------------------------------------------
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class LateXBackend(DocBackend):
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"""
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Implementation of docbackend for latex docs.
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File and File format management for latex docs
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"""
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# overwrite base class attributes, they become static var of LaTeXDoc
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SUPPORTED_MARKUP = [
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DocBackend.BOLD,
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DocBackend.ITALIC,
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DocBackend.UNDERLINE,
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DocBackend.FONTSIZE,
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DocBackend.FONTFACE,
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DocBackend.SUPERSCRIPT ]
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STYLETAG_MARKUP = {
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DocBackend.BOLD : ("\\textbf{", "}"),
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DocBackend.ITALIC : ("\\textit{", "}"),
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DocBackend.UNDERLINE : ("\\underline{", "}"),
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DocBackend.SUPERSCRIPT : ("\\textsuperscript{", "}"),
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}
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ESCAPE_FUNC = lambda x: latexescape
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def setescape(self, preformatted=False):
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"""
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Latex needs two different escape functions depending on the type.
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This function allows to switch the escape function
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"""
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if not preformatted:
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LateXBackend.ESCAPE_FUNC = lambda x: latexescape
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else:
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LateXBackend.ESCAPE_FUNC = lambda x: latexescapeverbatim
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def _create_xmltag(self, type, value):
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"""
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overwrites the method in DocBackend.
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creates the latex tags needed for non bool style types we support:
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FONTSIZE : use different \large denomination based
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on size
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: very basic, in mono in the font face
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then we use {\ttfamily }
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"""
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if type not in self.SUPPORTED_MARKUP:
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return None
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elif type == DocBackend.FONTSIZE:
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#translate size in point to something LaTeX can work with
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if value >= 22:
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return ("{\\Huge ", "}")
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elif value >= 20:
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return ("{\\huge ", "}")
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elif value >= 18:
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return ("{\\LARGE ", "}")
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elif value >= 16:
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return ("{\\Large ", "}")
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elif value >= 14:
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return ("{\\large ", "}")
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elif value < 8:
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return ("{\\scriptsize ", "}")
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elif value < 10:
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return ("{\\footnotesize ", "}")
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elif value < 12:
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return ("{\\small ", "}")
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else:
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return ("", "")
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elif type == DocBackend.FONTFACE:
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if 'MONO' in value.upper():
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return ("{\\ttfamily ", "}")
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elif 'ROMAN' in value.upper():
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return ("{\\rmfamily ", "}")
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return None
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def _checkfilename(self):
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"""
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Check to make sure filename satisfies the standards for this filetype
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"""
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if self._filename[-4:] != ".tex":
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self._filename = self._filename + ".tex"
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#------------------------------------------------------------------------
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#
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# Convert from roman to arabic numbers
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#
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#------------------------------------------------------------------------
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def roman2arabic(strval):
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"""
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Roman to arabic converter for 0 < num < 4000.
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Always returns an integer.
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On an invalid input zero is returned.
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"""
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# Return zero if the type is not str
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try:
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strval = str(strval).upper()
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if not strval:
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return 0
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except:
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return 0
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# Return None if there are chars outside of valid roman numerals
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if [char for char in strval if char not in 'MDCLXVI']:
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return 0
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vals2 = ['CM', 'CD', 'XC', 'XL', 'IX', 'IV']
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nums2 = ( 900, 400, 90, 40, 9, 4)
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vals1 = [ 'M', 'D', 'C', 'L', 'X', 'V', 'I']
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nums1 = (1000, 500, 100, 50, 10, 5, 1)
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ret = 0
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max_num = 1000
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# Start unrolling strval from left to right,
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# up to the penultimate char
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i = 0
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while i < len(strval):
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first_index = vals1.index(strval[i])
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if i+1 < len(strval) and strval[i:i+2] in vals2:
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this_num = nums2[vals2.index(strval[i:i+2])]
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if first_index+1 < len(nums1):
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new_max_num = nums1[first_index+1]
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else:
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new_max_num = 0
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i += 2
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else:
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this_num = nums1[first_index]
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new_max_num = this_num
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i += 1
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# prohibit larger numbers following smaller ones,
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# except for the above 2-char combinations
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if this_num > max_num:
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return 0
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ret += this_num
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max_num = new_max_num
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return ret
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#------------------------------------------------------------------------
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#
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# Paragraph Handling
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#
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#------------------------------------------------------------------------
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class TexFont(object):
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def __init__(self, style=None):
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if style:
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self.font_beg = style.font_beg
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self.font_end = style.font_end
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self.leftIndent = style.left_indent
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self.firstLineIndent = style.firstLineIndent
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else:
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self.font_beg = ""
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self.font_end = ""
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self.leftIndent = ""
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self.firstLineIndent = ""
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#------------------------------------------------------------------------
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#
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# LaTeXDoc
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#
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#------------------------------------------------------------------------
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class LaTeXDoc(BaseDoc, TextDoc):
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"""LaTeX document interface class. Derived from BaseDoc"""
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def page_break(self):
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"Forces a page break, creating a new page"
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self._backend.write('\\newpage ')
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def open(self, filename):
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"""Opens the specified file, making sure that it has the
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extension of .tex"""
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self._backend = LateXBackend(filename)
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self._backend.open()
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# Font size control seems to be limited. For now, ignore
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# any style constraints, and use 12pt has the default
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options = "12pt"
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if self.paper.get_orientation() == PAPER_LANDSCAPE:
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options = options + ",landscape"
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# Paper selections are somewhat limited on a stock installation.
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# If the user picks something not listed here, we'll just accept
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# the default of the user's LaTeX installation (usually letter).
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paper_name = self.paper.get_size().get_name()
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if paper_name == "A4":
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options = options + ",a4paper"
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elif paper_name == "A5":
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options = options + ",a5paper"
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elif paper_name == "B5":
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options = options + ",b4paper"
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elif paper_name == "Legal":
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options = options + ",legalpaper"
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elif paper_name == "Letter":
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options = options + ",letterpaper"
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# Use the article template, T1 font encodings, and specify
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# that we should use Latin1 and unicode character encodings.
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self._backend.write('\\documentclass[%s]{article}\n' % options)
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self._backend.write('\\usepackage[T1]{fontenc}\n')
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self._backend.write('%\n% We use latin1 encoding at a minimum by default.\n')
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self._backend.write('% GRAMPS uses unicode UTF-8 encoding for its\n')
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self._backend.write('% international support. LaTeX can deal gracefully\n')
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self._backend.write('% with unicode encoding by using the ucs style invoked\n')
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self._backend.write('% when utf8 is specified as an option to the inputenc\n')
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self._backend.write('% package. This package is included by default in some\n')
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self._backend.write('% installations, but not in others, so we do not make it\n')
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self._backend.write('% the default. Uncomment the second line if you wish to use it\n')
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self._backend.write('% (If you do not have ucs.sty, you may obtain it from\n')
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self._backend.write('% http://www.tug.org/tex-archive/macros/latex/contrib/supported/unicode/)\n')
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self._backend.write('%\n')
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self._backend.write('\\usepackage[latin1]{inputenc}\n')
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self._backend.write('%\\usepackage[latin1,utf8]{inputenc}\n')
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# add packages (should be standard on a default installation)
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# for finer output control. Put comments in file for user to read
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self._backend.write('\\usepackage{graphicx} % Extended graphics support\n')
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self._backend.write('\\usepackage{longtable} % For multi-page tables\n')
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self._backend.write('\\usepackage{calc} % For margin indents\n')
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self._backend.write('%\n% Depending on your LaTeX installation, the')
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self._backend.write(' margins may be too\n% narrow. ')
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self._backend.write(' This can be corrected by uncommenting the following\n')
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self._backend.write('% two lines and adjusting the width appropriately.')
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self._backend.write(' The example\n% removes 0.5in from each margin.')
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self._backend.write(' (Adds 1 inch to the text)\n')
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self._backend.write('%\\addtolength{\\oddsidemargin}{-0.5in}\n')
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self._backend.write('%\\addtolength{\\textwidth}{1.0in}\n%\n')
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self._backend.write('% Create a margin-adjusting command that allows LaTeX\n')
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self._backend.write('% to behave like the other gramps-supported output formats\n')
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self._backend.write('\\newlength{\\leftedge}\n')
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self._backend.write('\\setlength{\\leftedge}{\\parindent}\n')
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self._backend.write('\\newlength{\\grampstext}\n')
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self._backend.write('\\setlength{\\grampstext}{\\textwidth}\n')
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self._backend.write('\\newcommand{\\grampsindent}[1]{%\n')
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self._backend.write(' \\setlength{\\parindent}{\\leftedge + #1}%\n')
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self._backend.write(' \\setlength{\\textwidth}{\\grampstext - #1}%\n')
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self._backend.write('}\n\n')
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self._backend.write('\\begin{document}\n\n')
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self.in_list = 0
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self.in_table = 0
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self.imagenum = 0
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#Establish some local styles for the report
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self.latexstyle = {}
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self.latex_font = {}
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style_sheet = self.get_style_sheet()
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for style_name in style_sheet.get_paragraph_style_names():
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style = style_sheet.get_paragraph_style(style_name)
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font = style.get_font()
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size = font.get_size()
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self.latex_font[style_name] = TexFont()
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thisstyle = self.latex_font[style_name]
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thisstyle.font_beg = ""
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thisstyle.font_end = ""
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# Is there special alignment? (default is left)
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align = style.get_alignment_text()
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if align == "center":
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thisstyle.font_beg = thisstyle.font_beg + "\\centerline{"
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thisstyle.font_end = "}" + thisstyle.font_end
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elif align == "right":
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thisstyle.font_beg = thisstyle.font_beg + "\\hfill"
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# Establish font face and shape
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if font.get_type_face() == FONT_SANS_SERIF:
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thisstyle.font_beg = thisstyle.font_beg + "\\sffamily"
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thisstyle.font_end = "\\rmfamily" + thisstyle.font_end
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if font.get_bold():
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thisstyle.font_beg = thisstyle.font_beg + "\\bfseries"
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thisstyle.font_end = "\\mdseries" + thisstyle.font_end
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if font.get_italic() or font.get_underline():
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thisstyle.font_beg = thisstyle.font_beg + "\\itshape"
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thisstyle.font_end = "\\upshape" + thisstyle.font_end
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# Now determine font size
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sflag = 0
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if size >= 22:
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thisstyle.font_beg = thisstyle.font_beg + "\\Huge"
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sflag = 1
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elif size >= 20:
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thisstyle.font_beg = thisstyle.font_beg + "\\huge"
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sflag = 1
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elif size >= 18:
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thisstyle.font_beg = thisstyle.font_beg + "\\LARGE"
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sflag = 1
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elif size >= 16:
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thisstyle.font_beg = thisstyle.font_beg + "\\Large"
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sflag = 1
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elif size >= 14:
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thisstyle.font_beg = thisstyle.font_beg + "\\large"
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sflag = 1
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elif size < 8:
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thisstyle.font_beg = thisstyle.font_beg + "\\scriptsize"
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sflag = 1
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elif size < 10:
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thisstyle.font_beg = thisstyle.font_beg + "\\footnotesize"
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sflag = 1
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elif size < 12:
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thisstyle.font_beg = thisstyle.font_beg + "\\small"
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sflag = 1
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if sflag == 1:
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thisstyle.font_end = thisstyle.font_end + "\\normalsize"
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thisstyle.font_beg = thisstyle.font_beg + " "
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thisstyle.font_end = thisstyle.font_end + " "
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left = style.get_left_margin()
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first = style.get_first_indent() + left
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thisstyle.leftIndent = left
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thisstyle.firstLineIndent = first
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self.latexstyle[style_name] = thisstyle
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def close(self):
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"""Clean up and close the document"""
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if self.in_list:
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self._backend.write('\\end{enumerate}\n')
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self._backend.write('\n\\end{document}\n')
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self._backend.close()
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if self.open_req:
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open_file_with_default_application(self._backend.filename)
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def end_page(self):
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"""Issue a new page command"""
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self._backend.write('\\newpage')
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def start_paragraph(self,style_name,leader=None):
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"""Paragraphs handling - A Gramps paragraph is any
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single body of text from a single word to several sentences.
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We assume a linebreak at the end of each paragraph."""
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style_sheet = self.get_style_sheet()
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style = style_sheet.get_paragraph_style(style_name)
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ltxstyle = self.latexstyle[style_name]
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self.level = style.get_header_level()
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self.fbeg = ltxstyle.font_beg
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self.fend = ltxstyle.font_end
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self.indent = ltxstyle.leftIndent
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self.FLindent = ltxstyle.firstLineIndent
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if self.indent is not None and not self.in_table:
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myspace = '%scm' % str(self.indent)
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self._backend.write('\\grampsindent{%s}\n' % myspace)
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self.fix_indent = 1
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if leader is not None and not self.in_list:
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self._backend.write('\\begin{enumerate}\n')
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self.in_list = 1
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if leader is not None:
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# try obtaining integer
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leader_1 = leader[:-1]
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num = roman2arabic(leader_1)
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if num == 0:
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# Not roman, try arabic or fallback to 1
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try:
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num = int(leader_1)
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except ValueError:
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num = 1
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self._backend.write(' \\renewcommand\\theenumi{\\arabic{enumi}}')
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else:
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# roman, set the case correctly
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if leader_1.islower():
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self._backend.write(' \\renewcommand\\theenumi{\\roman{enumi}}')
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else:
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self._backend.write(' \\renewcommand\\theenumi{\\Roman{enumi}}')
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self._backend.write(' \\setcounter{enumi}{%d} ' % num)
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self._backend.write(' \\addtocounter{enumi}{-1}\n')
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self._backend.write(' \\item ')
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if leader is None and not self.in_list and not self.in_table:
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self._backend.write('\n')
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self._backend.write('%s ' % self.fbeg)
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def end_paragraph(self):
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"""End the current paragraph"""
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newline = '\ \\newline\n'
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if self.in_list:
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self.in_list = 0
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self._backend.write('\n\\end{enumerate}\n')
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newline = ''
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elif self.in_table:
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newline = ('')
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self._backend.write('%s%s' % (self.fend, newline))
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if self.fix_indent == 1:
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self.fix_indent = 0
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self._backend.write('\\grampsindent{0cm}\n')
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def start_bold(self):
|
|
"""Bold face"""
|
|
self._backend.write('\\textbf{')
|
|
|
|
def end_bold(self):
|
|
"""End bold face"""
|
|
self._backend.write('}')
|
|
|
|
def start_superscript(self):
|
|
self._backend.write('\\textsuperscript{')
|
|
|
|
def end_superscript(self):
|
|
self._backend.write('}')
|
|
|
|
def start_table(self, name,style_name):
|
|
"""Begin new table"""
|
|
self.in_table = 1
|
|
self.currow = 0
|
|
|
|
# We need to know a priori how many columns are in this table
|
|
styles = self.get_style_sheet()
|
|
self.tblstyle = styles.get_table_style(style_name)
|
|
self.numcols = self.tblstyle.get_columns()
|
|
|
|
tblfmt = '*{%d}{l}' % self.numcols
|
|
self._backend.write('\n\n\\begin{longtable}[l]{%s}\n' % tblfmt)
|
|
|
|
def end_table(self):
|
|
"""Close the table environment"""
|
|
self.in_table = 0
|
|
# Create a paragraph separation below the table.
|
|
self._backend.write('\\end{longtable}\n\\par\n')
|
|
|
|
def start_row(self):
|
|
"""Begin a new row"""
|
|
# doline/skipfirst are flags for adding hor. rules
|
|
self.doline = 0
|
|
self.skipfirst = 0
|
|
self.curcol = 0
|
|
self.currow = self.currow + 1
|
|
|
|
def end_row(self):
|
|
"""End the row (new line)"""
|
|
self._backend.write('\\\\ ')
|
|
if self.doline == 1:
|
|
if self.skipfirst == 1:
|
|
self._backend.write('\\cline{2-%d}\n' % self.numcols)
|
|
else:
|
|
self._backend.write('\\hline \\\\ \n')
|
|
else:
|
|
self._backend.write('\n')
|
|
|
|
def start_cell(self,style_name,span=1):
|
|
"""Add an entry to the table.
|
|
We always place our data inside braces
|
|
for safety of formatting."""
|
|
self.colspan = span
|
|
self.curcol = self.curcol + self.colspan
|
|
|
|
styles = self.get_style_sheet()
|
|
self.cstyle = styles.get_cell_style(style_name)
|
|
self.lborder = self.cstyle.get_left_border()
|
|
self.rborder = self.cstyle.get_right_border()
|
|
self.bborder = self.cstyle.get_bottom_border()
|
|
self.tborder = self.cstyle.get_top_border()
|
|
self.llist = self.cstyle.get_longlist()
|
|
|
|
if self.llist == 1:
|
|
cellfmt = "p{\linewidth-3cm}"
|
|
else:
|
|
cellfmt = "l"
|
|
|
|
# Account for vertical rules
|
|
if self.lborder == 1:
|
|
cellfmt = '|' + cellfmt
|
|
if self.rborder == 1:
|
|
cellfmt = cellfmt + '|'
|
|
|
|
# and Horizontal rules
|
|
if self.bborder == 1:
|
|
self.doline = 1
|
|
elif self.curcol == 1:
|
|
self.skipfirst = 1
|
|
|
|
if self.tborder != 0:
|
|
self._backend.write('\\hline\n')
|
|
self._backend.write ('\\multicolumn{%d}{%s}{' % (span,cellfmt))
|
|
|
|
def end_cell(self):
|
|
"""Prepares for next cell"""
|
|
self._backend.write('} ')
|
|
if self.curcol < self.numcols:
|
|
self._backend.write('& ')
|
|
|
|
def add_media_object(self, name, pos, x, y, alt=''):
|
|
"""Add photo to report"""
|
|
return
|
|
|
|
try:
|
|
pic = ImgManip.ImgManip(name)
|
|
except:
|
|
return
|
|
|
|
self.imagenum = self.imagenum + 1
|
|
picf = self.filename[:-4] + '_img' + str(self.imagenum) + '.eps'
|
|
pic.eps_convert(picf)
|
|
|
|
# x and y will be maximum width OR height in units of cm
|
|
mysize = 'width=%dcm, height=%dcm,keepaspectratio' % (x,y)
|
|
if pos == "right":
|
|
self._backend.write('\\hfill\\includegraphics[%s]{%s}\n' % (mysize,picf))
|
|
elif pos == "left":
|
|
self._backend.write('\\includegraphics[%s]{%s}\\hfill\n' % (mysize,picf))
|
|
else:
|
|
self._backend.write('\\centerline{\\includegraphics[%s]{%s}}\n' % (mysize,picf))
|
|
|
|
def write_text(self,text,mark=None):
|
|
"""Write the text to the file"""
|
|
if text == '\n':
|
|
text = '\\newline\n'
|
|
text = latexescape(text)
|
|
#hard coded replace of the underline used for missing names/data
|
|
text = text.replace('\\_\\_\\_\\_\\_\\_\\_\\_\\_\\_\\_\\_\\_',
|
|
'\\underline{\hspace{3cm}}')
|
|
self._backend.write(text)
|
|
|
|
def write_styled_note(self, styledtext, format, style_name):
|
|
"""
|
|
Convenience function to write a styledtext to the latex doc.
|
|
styledtext : assumed a StyledText object to write
|
|
format : = 0 : Flowed, = 1 : Preformatted
|
|
style_name : name of the style to use for default presentation
|
|
"""
|
|
text = str(styledtext)
|
|
|
|
s_tags = styledtext.get_tags()
|
|
if format == 1:
|
|
#preformatted, use different escape function
|
|
self._backend.setescape(True)
|
|
|
|
markuptext = self._backend.add_markup_from_styled(text, s_tags)
|
|
|
|
#there is a problem if we write out a note in a table. No newline is
|
|
# possible, the note runs over the margin into infinity.
|
|
# A good solution for this ???
|
|
# A quick solution: create a minipage for the note and add that always
|
|
# hoping that the user will have left sufficient room for the page
|
|
self._backend.write("\\begin{minipage}{{0.8\\linewidth}}\n")
|
|
self.start_paragraph(style_name)
|
|
self._backend.write(markuptext)
|
|
self.end_paragraph()
|
|
#end the minipage, add trick to have a white line at bottom of note,
|
|
# we assume here a note should be distinct from its surrounding.
|
|
self._backend.write("\n\\vspace*{0.5cm} \n\end{minipage}\n\n")
|
|
if format == 1:
|
|
#preformatted finished, go back to normal escape function
|
|
self._backend.setescape(False)
|
|
|
|
def write_endnotes_ref(self, text, style_name):
|
|
"""
|
|
Overwrite base method for lines of endnotes references
|
|
"""
|
|
self._backend.write("\\begin{minipage}{{0.8\\linewidth}}\n")
|
|
for line in text.split('\n'):
|
|
self.start_paragraph(style_name)
|
|
if format == 0:
|
|
self._backend.write('\\begin{verbatim}')
|
|
self.write_text(line)
|
|
if format == 0:
|
|
self._backend.write('\\end{verbatim}')
|
|
self.end_paragraph()
|
|
self._backend.write("\n\\vspace*{0.5cm} \n\end{minipage}\n\n")
|